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A sample of 59 night-school students' ages is obtained in order to estimate the mean age of night-school students. x = 25 years. The population variance is 19.
(a) Give a point estimate for μ. (Give your answer correct to one decimal place.)

  • statistic -

    Point estimate = x/n = 25/59 = 0.4 (rounded to one decimal place)

  • statistic -

    676

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